JP Australia MonstAir CR 2026
Surf › SUP
Gong, 2026
1524mm long · 5'0"
500mm wide
75mm thick
40litres
Listed by the brand, read off a photo, or worked out: where every number comes from
In one line
Its width sits further forward. A square tail, a full nose and parallel rails.
derived · against the 77 other surf foil boards in the atlas, read off the outlines.
As listed by Gong
| size | length | width | thickness | weight |
|---|---|---|---|---|
| 35 L | 142.2cm · 1422 mm | 486 mm | 71 mm | – |
| 40 L | 152.4cm · 1524 mm | 500 mm | 75 mm | – |
| 45 L | 160.0cm · 1600 mm | 521 mm | 78 mm | – |
| 50 L | 167.6cm · 1676 mm | 530 mm | 81 mm | – |
Every size side by side, tails on one line, one scale
From above, then from the side, true scale · the chosen size solid, the others dashed
Read off the 35 L outline · derived
57 %wide point, 816 mm from the tail
2.93length over width
418mm wide 12″ from the tail
5,845cm² of planform
Read off the 40 L outline · derived
57 %wide point, 874 mm from the tail
3.07length over width
421mm wide 12″ from the tail
6,392cm² of planform
Read off the 45 L outline · derived
57 %wide point, 918 mm from the tail
3.07length over width
438mm wide 12″ from the tail
7,049cm² of planform
Read off the 50 L outline · derived
57 %wide point, 961 mm from the tail
3.16length over width
442mm wide 12″ from the tail
7,518cm² of planform
Rocker of the 35 L · scaled from the 40 L measured
Rocker of the 40 L · measured
Rocker of the 45 L · scaled from the 40 L measured
Rocker of the 50 L · scaled from the 40 L measured
True proportions · dots at 10 mm and 12″ in from each tip · bracket: flat to within 3 mm · Measured on Gong's photo of the 40 L. Tail end set by Gong's photo convention, not checked by a person.
Original pages · 1
Closest outlines from other models, once stretched to one length and width · derived
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